diff --git a/build.gradle b/build.gradle
index 8cd235c..b46fb8b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,16 +1,12 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
 buildscript {
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
+        classpath 'com.android.tools.build:gradle:3.4.2'
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 599d4a6..e190f01 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.5.1-all.zip
diff --git a/pageindicatorview/.gitignore b/pageindicatorview/.gitignore
deleted file mode 100644
index 796b96d..0000000
--- a/pageindicatorview/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/build
diff --git a/pageindicatorview/build.gradle b/pageindicatorview/build.gradle
index cd97610..4a44684 100644
--- a/pageindicatorview/build.gradle
+++ b/pageindicatorview/build.gradle
@@ -26,7 +26,6 @@ ext {
 
 android {
     compileSdkVersion 28
-    buildToolsVersion '28.0.3'
 
     defaultConfig {
         minSdkVersion 14
@@ -46,11 +45,8 @@ android {
 }
 
 dependencies {
-    repositories {
-        maven { url "https://maven.google.com" }
-    }
-    implementation 'androidx.annotation:annotation:1.0.0'
-    implementation 'androidx.core:core:1.0.0'
+    implementation 'androidx.annotation:annotation:1.1.0'
+    implementation 'androidx.core:core:1.0.2'
     implementation 'androidx.viewpager:viewpager:1.0.0'
 }
 
diff --git a/sample/build.gradle b/sample/build.gradle
index b4b7135..ee7ef44 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -2,7 +2,6 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 28
-    buildToolsVersion '28.0.3'
 
     defaultConfig {
         applicationId "com.rd.pageindicatorview"
@@ -21,7 +20,7 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'androidx.appcompat:appcompat:1.0.1'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
     implementation 'androidx.recyclerview:recyclerview:1.0.0'
     implementation project(':pageindicatorview')
 }